1988499962 has 8 divisors (see below), whose sum is σ = 3158205876. Its totient is φ = 935764672.

The previous prime is 1988499943. The next prime is 1988500001. The reversal of 1988499962 is 2699948891.

It can be written as a sum of positive squares in 2 ways, for example, as 1649903161 + 338596801 = 40619^2 + 18401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29242613 + ... + 29242680.

Almost surely, 2^1988499962 is an apocalyptic number.

1988499962 is a deficient number, since it is larger than the sum of its proper divisors (1169705914).

1988499962 is a wasteful number, since it uses less digits than its factorization.

1988499962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58485312.

The product of its digits is 20155392, while the sum is 65.

The square root of 1988499962 is about 44592.5998569269. The cubic root of 1988499962 is about 1257.5015499034.

Subtracting 1988499962 from its reverse (2699948891), we obtain a square (711448929 = 26673²).

The spelling of 1988499962 in words is "one billion, nine hundred eighty-eight million, four hundred ninety-nine thousand, nine hundred sixty-two".